他把这份友情当成宝物一样守护。

Tā bǎ zhè fèn yǒuqíng dàngchéng bǎowù yíyàng shǒuhù.

He guards this friendship as if it were a treasure.

警察日夜守护着城市的安全。

Jǐngchá rìyè shǒuhù zhe chéngshì de ānquán.

The police guard the safety of the city day and night.

父母一直在默默守护着孩子。

Fùmǔ yìzhí zài mòmò shǒuhù zhe háizi.

Parents have been silently guarding their children.